Examples with ValueEventListener com.google.firebase.database.ValueEventListener used on opensource projects

Example 41 with ValueEventListener

use of com.google.firebase.database.ValueEventListener in project MadMax by deviz92.

the class EventsViewAdapter method onBindViewHolder.

@Override
public void onBindViewHolder(final EventViewHolder eventViewHolder, int position) {
    final Event event = getItem(position).getValue();
    User currentUser = MainActivity.getCurrentUser();
    DatabaseReference databaseReference = FirebaseUtils.getDatabaseReference();
    switch(event.getEventType()) {
        case GROUP_ADD:
            eventViewHolder.imageView.setImageResource(R.drawable.group_add);
            event.setDescription(event.getSubject() + " " + context.getString(R.string.GROUP_ADD) + " \"" + event.getObject() + "\"");
            break;
        /*case GROUP_REMOVE:
                eventViewHolder.imageView.setImageResource(R.drawable.group_remove);
                event.setDescription("\"" + event.getSubject() + "\" " + context.getString(R.string.GROUP_REMOVE) + " \"" + event.getObject() + "\"");
                break;*/
        case GROUP_EDIT:
            eventViewHolder.imageView.setImageResource(R.drawable.group_edit);
            event.setDescription(event.getSubject() + " " + context.getString(R.string.GROUP_EDIT) + " \"" + event.getObject() + "\"");
            break;
        case GROUP_MEMBER_ADD:
            eventViewHolder.imageView.setImageResource(R.drawable.user_add);
            event.setDescription(event.getSubject() + " " + context.getString(R.string.GROUP_MEMBER_ADD) + " " + event.getObject());
            break;
        case GROUP_MEMBER_REMOVE:
            eventViewHolder.imageView.setImageResource(R.drawable.user_remove);
            event.setDescription(event.getSubject() + " " + context.getString(R.string.GROUP_MEMBER_REMOVE) + " " + event.getObject());
            break;
        case EXPENSE_ADD:
            eventViewHolder.imageView.setImageResource(R.drawable.expense_add);
            event.setDescription(event.getSubject() + " " + context.getString(R.string.EXPENSE_ADD) + " \"" + event.getObject() + "\"");
            break;
        case EXPENSE_REMOVE:
            eventViewHolder.imageView.setImageResource(R.drawable.expense_remove);
            event.setDescription(event.getSubject() + " " + context.getString(R.string.EXPENSE_REMOVE) + " \"" + event.getObject() + "\"");
            break;
        case EXPENSE_EDIT:
            eventViewHolder.imageView.setImageResource(R.drawable.expense_edit);
            event.setDescription(event.getSubject() + " " + context.getString(R.string.EXPENSE_EDIT) + " \"" + event.getObject() + "\"");
            break;
        case PENDING_EXPENSE_ADD:
            eventViewHolder.imageView.setImageResource(R.drawable.expense_add);
            event.setDescription(event.getSubject() + " " + context.getString(R.string.PENDING_EXPENSE_ADD) + " \"" + event.getObject() + "\"");
            break;
        case PENDING_EXPENSE_REMOVE:
            eventViewHolder.imageView.setImageResource(R.drawable.expense_remove);
            event.setDescription(event.getSubject() + " " + context.getString(R.string.PENDING_EXPENSE_REMOVE) + " \"" + event.getObject() + "\"");
            break;
        case PENDING_EXPENSE_EDIT:
            eventViewHolder.imageView.setImageResource(R.drawable.expense_edit);
            event.setDescription(event.getSubject() + " " + context.getString(R.string.PENDING_EXPENSE_EDIT) + " \"" + event.getObject() + "\"");
            break;
        case PENDING_EXPENSE_VOTE_UP:
            eventViewHolder.imageView.setImageResource(R.drawable.thumb_up_black);
            event.setDescription(event.getSubject() + " " + context.getString(R.string.PENDING_EXPENSE_VOTE) + " \"" + event.getObject() + "\"");
            break;
        case PENDING_EXPENSE_VOTE_DOWN:
            eventViewHolder.imageView.setImageResource(R.drawable.thumb_down_black);
            event.setDescription(event.getSubject() + " " + context.getString(R.string.PENDING_EXPENSE_VOTE) + " \"" + event.getObject() + "\"");
            break;
        case PENDING_EXPENSE_APPROVED:
            eventViewHolder.imageView.setImageResource(R.drawable.expense_add);
            event.setDescription(context.getString(R.string.PENDING_EXPENSE) + " \"" + event.getObject() + "\" " + context.getString(R.string.PENDING_EXPENSE_APPROVED));
            break;
        case PENDING_EXPENSE_NEGLECTED:
            eventViewHolder.imageView.setImageResource(R.drawable.pending_expense_neglected);
            event.setDescription(context.getString(R.string.PENDING_EXPENSE) + " \"" + event.getObject() + "\" " + context.getString(R.string.PENDING_EXPENSE_NEGLECTED));
            break;
        /*case FRIEND_INVITE:
                eventViewHolder.imageView.setImageResource(R.drawable.user_add);
                event.setDescription(context.getString(R.string.FRIEND_INVITE) + " \"" + event.getObject() + "\"");
                break;*/
        case FRIEND_GROUP_INVITE:
            eventViewHolder.imageView.setImageResource(R.drawable.user_add);
            event.setDescription(context.getString(R.string.FRIEND_GROUP_INVITE) + " " + event.getObject());
            break;
        case // instead of the username the subject must be the ID of the user
        USER_PAY:
            eventViewHolder.imageView.setImageResource(R.drawable.user_pay);
            if (currentUser.getID().equals(event.getSubject())) {
                event.setDescription(context.getString(R.string.ME_PAY) + " " + event.getObject());
            } else {
                databaseReference.child("users").child(event.getSubject()).addListenerForSingleValueEvent(new ValueEventListener() {

                    @Override
                    public void onDataChange(DataSnapshot dataSnapshot) {
                        event.setDescription(dataSnapshot.child("name").getValue(String.class) + " " + dataSnapshot.child("surname").getValue(String.class) + " " + context.getString(R.string.FRIEND_PAY) + " " + event.getObject());
                    }

                    @Override
                    public void onCancelled(DatabaseError databaseError) {
                        Log.w(TAG, databaseError.toException());
                    }
                });
            }
            break;
        case // instead of the username the subject must be the ID of the user
        USER_COMMENT_ADD:
            eventViewHolder.imageView.setImageResource(R.drawable.user_comment);
            if (currentUser.getID().equals(event.getSubject())) {
                event.setDescription(context.getString(R.string.ME_COMMENT_ADD) + " \"" + event.getObject() + "\"");
            } else {
                databaseReference.child("users").child(event.getSubject()).addListenerForSingleValueEvent(new ValueEventListener() {

                    @Override
                    public void onDataChange(DataSnapshot dataSnapshot) {
                        event.setDescription(dataSnapshot.child("name").getValue(String.class) + " " + dataSnapshot.child("surname").getValue(String.class) + " " + context.getString(R.string.FRIEND_COMMENT_ADD) + " \"" + event.getObject() + "\"");
                    }

                    @Override
                    public void onCancelled(DatabaseError databaseError) {
                        Log.w(TAG, databaseError.toException());
                    }
                });
            }
            break;
        default:
            eventViewHolder.imageView.setImageResource(R.drawable.event_default);
            event.setDescription("\"" + event.getSubject() + "\" " + context.getString(R.string.did) + " \"" + event.getObject() + "\"");
    }
    eventViewHolder.descriptionTextView.setText(event.getDescription());
    eventViewHolder.timestampTextView.setText(context.getString(R.string.day) + " " + event.getDate() + " " + context.getString(R.string.at) + " " + event.getTime());
}

Example 42 with ValueEventListener

use of com.google.firebase.database.ValueEventListener in project MadMax by deviz92.

the class GroupsFragment method getGroupAndBalance.

/*    void getGroupAndBalance (final String userID, final String groupID)
    {

        //final HashMap <String, Double> totalBalance = new HashMap<>();
        final HashMap <String, Expense> groupExpenses = new HashMap<>();
        //totalBalance.put(userID,0d);
        //totBalance = 0d;
        final HashMap <String, Double> totBalances = new HashMap<>();
        totBalances.clear();

        groupListener = databaseReference.child("groups").child(groupID).addValueEventListener(new ValueEventListener() {

            @Override
            public void onDataChange(final DataSnapshot groupDataSnapshot) {

                //totalBalance.put(userID,0d);
                totBalances.clear();
                if (!listenedGroups.contains(groupID))
                    listenedGroups.add(groupID);

                final Boolean deleted = groupDataSnapshot.child("deleted").getValue(Boolean.class);

                if (deleted != null)
                {
                    for (DataSnapshot groupExpenseSnapshot: groupDataSnapshot.child("expenses").getChildren())
                    {
                        //Contribuiscono al bilancio solo le spese non eliminate dal gruppo
                        if (groupExpenseSnapshot.getValue(Boolean.class) == true)
                        {
                            //Adesso sono sicuro che la spesa non è stata eliminata
                            //Ascolto la singola spesa del gruppo
                            String expenseID = groupExpenseSnapshot.getKey();
                            databaseReference.child("expenses").child(expenseID).addListenerForSingleValueEvent(new ValueEventListener() {
                                @Override
                                public void onDataChange(DataSnapshot dataSnapshot) {

                                    Boolean involved = false; //dice se user contribuisce o no a quella spesa

                                    for (DataSnapshot participantSnapshot: dataSnapshot.child("participants").getChildren())
                                    {
                                        //todo poi gestire caso in cui utente viene tolto dai participant alla spesa
                                        if (participantSnapshot.getKey().equals(userID))
                                            involved = true;
                                    }

                                    //se user ha partecipato alla spesa
                                    if (involved)
                                    {
                                        //alreadyPaid = soldi già messi dallo user per quella spesa
                                        //dueImport = quota che user deve mettere per quella spesa
                                        //balance = credito/debito dello user per quella spesa
                                        for (DataSnapshot d : dataSnapshot.child("participants").getChildren())
                                        {
                                            Log.d (TAG, "PartCampo " + d.getKey() + ": " + d.getValue() );
                                        }
                                        Double alreadyPaid = dataSnapshot.child("participants").child(userID).child("alreadyPaid").getValue(Double.class);

                                        Log.d (TAG, "Fraction: " + Double.parseDouble(String.valueOf(dataSnapshot.child("participants").child(userID).child("fraction").getValue())));

                                        Double dueImport = Double.parseDouble(String.valueOf(dataSnapshot.child("participants").child(userID).child("fraction").getValue())) * dataSnapshot.child("amount").getValue(Double.class);
                                        if (alreadyPaid != null && dueImport != null)
                                        {
                                            Double balance = alreadyPaid - dueImport;
                                            String currency = dataSnapshot.child("currency").getValue(String.class);
                                            //se user per quella spesa ha già pagato più soldi della sua quota, il balance è positivo

                                            //current balance for that currency
                                            Double temp = totBalances.get(currency);
                                            //update balance for that currency
                                            if (temp != null)
                                            {
                                                totBalances.put(currency, temp + balance);
                                             //   Log.d (TAG, "Actual debt for " + groupName + ": " + totBalances.get(currency) + " " + currency);
                                            }
                                            else
                                            {
                                                totBalances.put(currency, balance);
                                             //   Log.d (TAG, "Actual debt for " + groupName + ": " + totBalances.get(currency) + " " + currency);

                                            }
                                            //Double currentBalance = totalBalance.get(userID);
                                            //totalBalance.put(userID, currentBalance+balance);
                                            //totBalance += balance;

                                            Expense expense = new Expense();
                                            expense.setID(dataSnapshot.getKey());
                                            expense.setCurrency(dataSnapshot.child("currency").getValue(String.class));
                                            expense.setAmount(dataSnapshot.child("amount").getValue(Double.class));

                                            groupExpenses.put(dataSnapshot.getKey(), expense);

                                            Log.d(TAG, "added expense " + dataSnapshot.getKey());
                                        }
                                        else
                                        {
                                            Log.d (TAG, "Qui sarebbe crashato");
                                        }


                                    }
                                }

                                @Override
                                public void onCancelled(DatabaseError databaseError) {

                                }
                            });
                        }
                    }

                    Group group = new Group();
                    group.setName(groupDataSnapshot.child("name").getValue(String.class));
                    group.setImage(groupDataSnapshot.child("image").getValue(String.class));
                    group.setDeleted(deleted);
                    group.setBalance(0d);
                    group.setCurrencyBalances(totBalances);
                    group.setExpenses(groupExpenses);

                    if (!deleted &&
                            groupDataSnapshot.child("members").hasChild(MainActivity.getCurrentUID()) &&
                            !groupDataSnapshot.child("members").child(MainActivity.getCurrentUID()).child("deleted").getValue(Boolean.class)) {
                        groups.put(groupID, group);
                    }
                    else
                    {
                        groups.remove(groupID);
                    }

//                    Group nullGroup = new Group();
//                    nullGroup.setID(groupID + 1);
//                    groups.put(nullGroup.getID(), nullGroup);

                    groupsViewAdapter.update(groups);
                    groupsViewAdapter.notifyDataSetChanged();
                    //totBalance = 0d;
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {
            }
        });


        return ;
    }*/
// versione di ale
// /versione più complessa dell getGroup. Quest'ultima non verrà più usata.
// oltre al nome gruppo, prende anche il bilancio dello user col gruppo
void getGroupAndBalance(final String userID, final String groupID) {
    // final HashMap <String, Double> totalBalance = new HashMap<>();
    final HashMap<String, Expense> groupExpenses = new HashMap<>();
    // totalBalance.put(userID,0d);
    // totBalance = 0d;
    final HashMap<String, Double> totBalances = new HashMap<>();
    totBalances.clear();
    groupListener = databaseReference.child("groups").child(groupID).addValueEventListener(new ValueEventListener() {

        @Override
        public void onDataChange(final DataSnapshot groupDataSnapshot) {
            // totalBalance.put(userID,0d);
            totBalances.clear();
            if (!listenedGroups.contains(groupID))
                listenedGroups.add(groupID);
            final String groupName = groupDataSnapshot.child("name").getValue(String.class);
            final Boolean deleted = groupDataSnapshot.child("deleted").getValue(Boolean.class);
            if (deleted != null) {
                for (DataSnapshot groupExpenseSnapshot : groupDataSnapshot.child("expenses").getChildren()) {
                    // Contribuiscono al bilancio solo le spese non eliminate dal gruppo
                    if (groupExpenseSnapshot.getValue(Boolean.class) == true) {
                        // Adesso sono sicuro che la spesa non è stata eliminata
                        // Ascolto la singola spesa del gruppo
                        String expenseID = groupExpenseSnapshot.getKey();
                        databaseReference.child("expenses").child(expenseID).addListenerForSingleValueEvent(new ValueEventListener() {

                            @Override
                            public void onDataChange(DataSnapshot dataSnapshot) {
                                // dice se user contribuisce o no a quella spesa
                                Boolean involved = false;
                                for (DataSnapshot participantSnapshot : dataSnapshot.child("participants").getChildren()) {
                                    // todo poi gestire caso in cui utente viene tolto dai participant alla spesa
                                    if (participantSnapshot.getKey().equals(userID))
                                        involved = true;
                                }
                                // se user ha partecipato alla spesa
                                if (involved) {
                                    // balance = credito/debito dello user per quella spesa
                                    for (DataSnapshot d : dataSnapshot.child("participants").getChildren()) {
                                        Log.d(TAG, "PartCampo " + d.getKey() + ": " + d.getValue());
                                    }
                                    Double alreadyPaid = dataSnapshot.child("participants").child(userID).child("alreadyPaid").getValue(Double.class);
                                    // If has been made to avoid crash
                                    if (dataSnapshot.child("participants").child(userID).hasChild("fraction") && dataSnapshot.hasChild("amount")) {
                                        Log.d(TAG, "Fraction: " + Double.parseDouble(String.valueOf(dataSnapshot.child("participants").child(userID).child("fraction").getValue())));
                                        Double dueImport = Double.parseDouble(String.valueOf(dataSnapshot.child("participants").child(userID).child("fraction").getValue())) * dataSnapshot.child("amount").getValue(Double.class);
                                        if (alreadyPaid != null && dueImport != null) {
                                            Double balance = alreadyPaid - dueImport;
                                            String currency = dataSnapshot.child("currency").getValue(String.class);
                                            // se user per quella spesa ha già pagato più soldi della sua quota, il balance è positivo
                                            // current balance for that currency
                                            Double temp = totBalances.get(currency);
                                            // update balance for that currency
                                            if (temp != null) {
                                                totBalances.put(currency, temp + balance);
                                                Log.d(TAG, "Actual debt for " + groupName + ": " + totBalances.get(currency) + " " + currency);
                                            } else {
                                                totBalances.put(currency, balance);
                                                Log.d(TAG, "Actual debt for " + groupName + ": " + totBalances.get(currency) + " " + currency);
                                            }
                                            // Double currentBalance = totalBalance.get(userID);
                                            // totalBalance.put(userID, currentBalance+balance);
                                            // totBalance += balance;
                                            Expense expense = new Expense();
                                            expense.setID(dataSnapshot.getKey());
                                            expense.setCurrency(dataSnapshot.child("currency").getValue(String.class));
                                            expense.setAmount(dataSnapshot.child("amount").getValue(Double.class));
                                            groupExpenses.put(dataSnapshot.getKey(), expense);
                                            Log.d(TAG, "added expense " + dataSnapshot.getKey());
                                        } else {
                                            Log.d(TAG, "Qui sarebbe crashato");
                                        }
                                    }
                                }
                                Group g = new Group();
                                g.setName(groupName);
                                // g.setBalance(totalBalance.get(userID));
                                g.setCurrencyBalances(totBalances);
                                g.setExpenses(groupExpenses);
                                g.setDeleted(deleted);
                                g.setImage(groupDataSnapshot.child("image").getValue(String.class));
                                // se il gruppo non è deleted e io faccio ancora parte del gruppo
                                if (!deleted && groupDataSnapshot.child("members").hasChild(MainActivity.getCurrentUID()) && !groupDataSnapshot.child("members").child(MainActivity.getCurrentUID()).child("deleted").getValue(Boolean.class)) {
                                    groups.put(groupID, g);
                                } else {
                                    groups.remove(groupID);
                                }
                                groupsViewAdapter.update(groups);
                                groupsViewAdapter.notifyDataSetChanged();
                            }

                            @Override
                            public void onCancelled(DatabaseError databaseError) {
                            }
                        });
                    }
                }
                // Per gestire il caso di quando ho appena abbandonato o eliminato il gruppo
                // if (dataSnapshot.child("members").hasChild(userID))
                // {
                Group g = new Group();
                g.setName(groupName);
                g.setImage(groupDataSnapshot.child("image").getValue(String.class));
                g.setBalance(0d);
                g.setDeleted(deleted);
                if (!deleted && groupDataSnapshot.child("members").hasChild(MainActivity.getCurrentUID()) && !groupDataSnapshot.child("members").child(MainActivity.getCurrentUID()).child("deleted").getValue(Boolean.class)) {
                    groups.put(groupID, g);
                } else {
                    groups.remove(groupID);
                }
                // Group nullGroup = new Group();
                // nullGroup.setID(groupID + 1);
                // groups.put(nullGroup.getID(), nullGroup);
                groupsViewAdapter.update(groups);
                groupsViewAdapter.notifyDataSetChanged();
            // totBalance = 0d;
            }
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
        }
    });
    return;
}

Example 43 with ValueEventListener

use of com.google.firebase.database.ValueEventListener in project MadMax by deviz92.

the class GroupsFragment method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    Log.i(TAG, "onCreateView");
    setInterface((OnItemClickInterface) getActivity(), (OnItemLongClickInterface) getActivity());
    final View view = inflater.inflate(R.layout.skeleton_list, container, false);
    databaseReference = FirebaseDatabase.getInstance().getReference();
    RecyclerView.ItemDecoration divider = new InsetDivider.Builder(getContext()).orientation(InsetDivider.VERTICAL_LIST).dividerHeight(getResources().getDimensionPixelSize(R.dimen.divider_height)).color(ContextCompat.getColor(getContext(), R.color.colorDivider)).insets(getResources().getDimensionPixelSize(R.dimen.divider_inset), 0).overlay(true).build();
    recyclerView = (RecyclerView) view.findViewById(R.id.rv_skeleton);
    layoutManager = new LinearLayoutManager(getActivity(), LinearLayoutManager.VERTICAL, false);
    recyclerView.setLayoutManager(layoutManager);
    recyclerView.addItemDecoration(divider);
    groups.clear();
    groupsViewAdapter = new GroupsViewAdapter(this.getContext(), this, this, groups, GroupsFragment.TAG);
    recyclerView.setAdapter(groupsViewAdapter);
    // Ascolto i gruppi dello user
    databaseReference.child("users").child(MainActivity.getCurrentUID()).child("groups").addValueEventListener(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            // Per ogni gruppo dello user
            for (DataSnapshot groupSnapshot : dataSnapshot.getChildren()) {
                // Se il gruppo è true, ossia è ancora tra quelli dello user
                try {
                    Boolean trueGroup = (Boolean) groupSnapshot.getValue();
                    if (trueGroup)
                        getGroupAndBalance(MainActivity.getCurrentUID(), groupSnapshot.getKey());
                    else {
                        // tolgo il gruppo da quelli che verranno stampati, così lo vedo sparire realtime
                        groups.remove(groupSnapshot.getKey());
                        groupsViewAdapter.update(groups);
                        groupsViewAdapter.notifyDataSetChanged();
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                    Log.d(TAG, groupSnapshot.getValue().toString());
                }
            }
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
            Log.w(TAG, databaseError.toException());
        }
    });
    return view;
}

Example 44 with ValueEventListener

use of com.google.firebase.database.ValueEventListener in project SocialRec by Jkuras.

the class MainActivity method getPosts.

// sets listener at db/posts/deals/:all
// loads posts into mPosts, listener calls setUI
public void getPosts() {
    mref = mDataBase.getReference("posts/deals");
    ValueEventListener postListener = new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            // initialize array of all posts and add them to mPosts
            mPosts = new ArrayList<DealPost>();
            for (DataSnapshot child : dataSnapshot.getChildren()) {
                mPosts.add((DealPost) child.getValue(DealPost.class));
            }
            setUI();
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
            // Getting Post failed, log a message
            Log.w(TAG, "loadPost:onCancelled", databaseError.toException());
        // ...
        }
    };
    mref.addListenerForSingleValueEvent(postListener);
}